jackLindr Posted May 13, 2013 Share Posted May 13, 2013 Hi I know this may be a little hard to ID, since I don't have much info about it. My friend found it in his garden in Denmark. It's flint (of cause), but that more or less all I know. The pattern looks pretty distinct, so I thought someone might have an idea about what this might be. Thanks for the help! Jack Link to comment Share on other sites More sharing options...
Scylla Posted May 13, 2013 Share Posted May 13, 2013 It is a cool fossil, at first glance it looks a bit like a "side view" of Favosites, but there is some more structure to it on close inspection. Link to comment Share on other sites More sharing options...
jackLindr Posted May 13, 2013 Author Share Posted May 13, 2013 (edited) Oh yes, I see what you mean... That's a very good guess. It looks like it's filled with tiny round things. Especially at the top. Don't know if it's part of the fossile itself or if it's something else... And thanks for the reply! Edited May 13, 2013 by jackLindr Link to comment Share on other sites More sharing options...
Auspex Posted May 13, 2013 Share Posted May 13, 2013 I see the impression of a sea urchin's test, I believe. "There has been an alarming increase in the number of things I know nothing about." - Ashleigh Ellwood Brilliant “Try to learn something about everything and everything about something.” - Thomas Henry Huxley >Paleontology is an evolving science. >May your wonders never cease! Link to comment Share on other sites More sharing options...
Cris Posted May 14, 2013 Share Posted May 14, 2013 I agree...Zooming in close to those tiny structures screams "echinoid" to me. Link to comment Share on other sites More sharing options...
Dave Bailey Posted May 14, 2013 Share Posted May 14, 2013 I agree...Zooming in close to those tiny structures screams "echinoid" to me. At first it screamed "Michelin" to me, but I'm new at this. Link to comment Share on other sites More sharing options...
FossilDAWG Posted May 14, 2013 Share Posted May 14, 2013 Definitely echinoid. Danish chert (flint) is Cretaceous, and Favosites was a Silurian/Devonian coral. Don Link to comment Share on other sites More sharing options...
jackLindr Posted May 14, 2013 Author Share Posted May 14, 2013 Great! Thanks a lot of all the replies... So the tiny round things you can see are the spines? Or at least where the used to be? Link to comment Share on other sites More sharing options...
Coco Posted May 14, 2013 Share Posted May 14, 2013 Hi, The small squares are the tracks of interambulacral plates and the little points inside are the tracks of tubers (where spines are hung). ---------------------- OUTIL POUR MESURER VOS FOSSILES : ici Ma bibliothèque PDF 1 (Poissons et sélaciens récents & fossiles) : ici Ma bibliothèque PDF 2 (Animaux vivants - sans poissons ni sélaciens) : ici Mâchoires sélaciennes récentes : ici Hétérodontiques et sélaciens : ici Oeufs sélaciens récents : ici Otolithes de poissons récents ! ici Un Greg... Link to comment Share on other sites More sharing options...
jackLindr Posted May 14, 2013 Author Share Posted May 14, 2013 Nice. Thanks! Not only did I find out what the fossile was, I learned some new fancy words like "interambulacral plates" Link to comment Share on other sites More sharing options...
Sylvestersen Posted October 9, 2013 Share Posted October 9, 2013 HiDefinitely a fossilised sea urchin. The black /blueish colour of the Danish chert (flint) tells us that it is from the Cretaceous. Danish flint with other colours then black /blueish are normaly from early paleogene. I can see you are located in Denmark so there are a couple of danish websites aboutsea urchins. http://www.vestjyskstenklub.dk/galleri/sopindsvin/indholdsfortegnelse.html http://www.geolsba.dk/echinoids/DK-artsliste.html Link to comment Share on other sites More sharing options...
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